These decks are shared by the community and already available to pick in any game lobby, so there's no need to clone one just to play it. Clone a deck only if you want to customize it or use it as a starting point for building your own.
Teferi, Temporal Archmage
Codie, Ravenous Codex
Jace, Multiverse Architect
Aerith, Last Ancient
Ardbert, Warrior of Darkness
The Ur-Sphinx
Omnath, Locus of the Void
Koth, the Geomancer
Bartolomé del Presidio
Ghoulcaller Gisa
Zurgo Stormrender
Kaza, Roil Chaser
Mister Fantastic
Norin the Wary
Anzrag, the Quake-Mole
Ekthi, Contaminator Priest
Pramikon, Sky Rampart
Lazav, Wearer of Faces
Jetmir, Nexus of Revels
Brenard, Ginger Sculptor
Lathliss, Dragon Queen
The Twelfth Doctor
Susan Foreman
Brinelin, the Moon Kraken
Kodama of the East Tree
Admiral Beckett Brass